Q. What is the primary carbohydrate found in milk?
A.
Lactose
B.
Glucose
C.
Fructose
D.
Sucrose
Show solution
Solution
Lactose is the primary carbohydrate in milk, making up about 4-5% of its composition.
Correct Answer:
A
— Lactose
Learn More →
Q. What is the primary causative agent of tuberculosis?
A.
Streptococcus pneumoniae
B.
Mycobacterium tuberculosis
C.
Escherichia coli
D.
Staphylococcus aureus
Show solution
Solution
Mycobacterium tuberculosis is the bacterium that causes tuberculosis, a serious infectious disease that primarily affects the lungs.
Correct Answer:
B
— Mycobacterium tuberculosis
Learn More →
Q. What is the primary cause of apoptosis?
A.
Cellular stress
B.
Infection
C.
Tissue injury
D.
Programmed cell death
Show solution
Solution
Apoptosis is a form of programmed cell death that occurs in a regulated manner, distinct from necrosis.
Correct Answer:
D
— Programmed cell death
Learn More →
Q. What is the primary cause of livor mortis?
A.
Gravity
B.
Bacterial action
C.
Dehydration
D.
Temperature changes
Show solution
Solution
Livor mortis is primarily caused by gravity, which causes blood to settle in the lowest parts of the body.
Correct Answer:
A
— Gravity
Learn More →
Q. What is the primary cell type found in nervous tissue?
A.
Neurons
B.
Adipocytes
C.
Chondrocytes
D.
Osteocytes
Show solution
Solution
Neurons are the primary cell type in nervous tissue, responsible for transmitting signals throughout the body.
Correct Answer:
A
— Neurons
Learn More →
Q. What is the primary cell type involved in the acute inflammatory response?
A.
Neutrophils
B.
Macrophages
C.
Lymphocytes
D.
Eosinophils
Show solution
Solution
Neutrophils are the first responders to sites of acute inflammation, playing a crucial role in the initial immune response.
Correct Answer:
A
— Neutrophils
Learn More →
Q. What is the primary challenge in using bacteriophages as a treatment?
A.
They are too expensive
B.
They can cause allergic reactions
C.
Bacterial resistance can develop
D.
They are not effective
Show solution
Solution
Bacterial resistance to bacteriophages can develop, posing a challenge in their therapeutic use.
Correct Answer:
C
— Bacterial resistance can develop
Learn More →
Q. What is the primary characteristic of Actinomycetes?
A.
They are spore-forming bacteria.
B.
They are filamentous and resemble fungi.
C.
They are strictly aerobic organisms.
D.
They are always pathogenic.
Show solution
Solution
Actinomycetes are filamentous bacteria that resemble fungi in their growth pattern.
Correct Answer:
B
— They are filamentous and resemble fungi.
Learn More →
Q. What is the primary characteristic of schizophrenia?
A.
Mood swings
B.
Hallucinations
C.
Memory loss
D.
Obsessive thoughts
Show solution
Solution
Schizophrenia is primarily characterized by hallucinations, which can include hearing voices or seeing things that are not present.
Correct Answer:
B
— Hallucinations
Learn More →
Q. What is the primary characteristic of Spirochaetes?
A.
They are rod-shaped bacteria.
B.
They are spiral-shaped bacteria.
C.
They are cocci-shaped bacteria.
D.
They are filamentous bacteria.
Show solution
Solution
Spirochaetes are primarily characterized by their spiral shape.
Correct Answer:
B
— They are spiral-shaped bacteria.
Learn More →
Q. What is the primary characteristic used to classify tumors as benign or malignant?
A.
Size of the tumor
B.
Histological appearance
C.
Location of the tumor
D.
Patient's age
Show solution
Solution
Tumors are primarily classified as benign or malignant based on their histological appearance, which reflects their cellular characteristics and behavior.
Correct Answer:
B
— Histological appearance
Learn More →
Q. What is the primary clinical manifestation of Astrovirus infection?
A.
Respiratory distress
B.
Gastroenteritis
C.
Neurological symptoms
D.
Dermatitis
Show solution
Solution
The primary clinical manifestation of Astrovirus infection is gastroenteritis, characterized by diarrhea and vomiting.
Correct Answer:
B
— Gastroenteritis
Learn More →
Q. What is the primary clinical manifestation of molluscum contagiosum, a poxvirus infection?
A.
Fever
B.
Pustular rash
C.
Fleshy nodules
D.
Ulcerations
Show solution
Solution
Molluscum contagiosum is characterized by the presence of fleshy nodules on the skin.
Correct Answer:
C
— Fleshy nodules
Learn More →
Q. What is the primary component of a bacteriophage?
A.
RNA
B.
DNA
C.
Protein
D.
Lipids
Show solution
Solution
Bacteriophages primarily contain either DNA or RNA as their genetic material.
Correct Answer:
B
— DNA
Learn More →
Q. What is the primary component of a triglyceride?
A.
Glycerol and three fatty acids
B.
Phospholipids
C.
Cholesterol
D.
Amino acids
Show solution
Solution
A triglyceride is composed of glycerol and three fatty acids.
Correct Answer:
A
— Glycerol and three fatty acids
Learn More →
Q. What is the primary component of blood that affects its flow properties?
A.
Red blood cells
B.
White blood cells
C.
Platelets
D.
Plasma
Show solution
Solution
Red blood cells are the primary component that affects blood viscosity and flow properties.
Correct Answer:
A
— Red blood cells
Learn More →
Q. What is the primary concern when combining MAO inhibitors with tyramine-rich foods?
A.
Hypoglycemia
B.
Hypertensive crisis
C.
Serotonin syndrome
D.
Cardiac arrhythmias
Show solution
Solution
Combining MAO inhibitors with tyramine-rich foods can lead to a hypertensive crisis due to excessive norepinephrine release.
Correct Answer:
B
— Hypertensive crisis
Learn More →
Q. What is the primary concern when heating canned foods?
A.
Nutrient loss
B.
Bacterial growth
C.
Chemical leaching
D.
Texture change
Show solution
Solution
Heating canned foods improperly can lead to bacterial growth, especially if the can is damaged or the food is not heated to the appropriate temperature.
Correct Answer:
B
— Bacterial growth
Learn More →
Q. What is the primary concern with consuming raw fish?
A.
High cholesterol
B.
Bacterial infections
C.
Low iron content
D.
Excessive calories
Show solution
Solution
Raw fish can pose a risk of bacterial infections, such as those from Vibrio or Salmonella.
Correct Answer:
B
— Bacterial infections
Learn More →
Q. What is the primary consequence of protein denaturation?
A.
Loss of function
B.
Increased solubility
C.
Enhanced stability
D.
No change in activity
Show solution
Solution
Denaturation typically results in a loss of protein function.
Correct Answer:
A
— Loss of function
Learn More →
Q. What is the primary disease caused by Mycobacterium tuberculosis?
A.
Pneumonia
B.
Tuberculosis
C.
Leprosy
D.
Lung cancer
Show solution
Solution
Mycobacterium tuberculosis is the causative agent of tuberculosis, primarily affecting the lungs.
Correct Answer:
B
— Tuberculosis
Learn More →
Q. What is the primary disease caused by the variola virus, a member of the Poxviridae family?
A.
Chickenpox
B.
Smallpox
C.
Measles
D.
Shingles
Show solution
Solution
The variola virus is responsible for smallpox, a highly contagious disease characterized by fever and a distinctive skin rash.
Correct Answer:
B
— Smallpox
Learn More →
Q. What is the primary driving force for fluid flow in the circulatory system?
A.
Osmotic pressure
B.
Hydrostatic pressure
C.
Viscosity
D.
Surface tension
Show solution
Solution
Hydrostatic pressure is the primary driving force for fluid flow in the circulatory system, pushing blood through the vessels.
Correct Answer:
B
— Hydrostatic pressure
Learn More →
Q. What is the primary driving force for the movement of nutrients in phloem?
A.
Root pressure
B.
Transpiration pull
C.
Pressure flow mechanism
D.
Capillary action
Show solution
Solution
The pressure flow mechanism explains how sugars are actively transported into the phloem, creating a pressure gradient that drives flow.
Correct Answer:
C
— Pressure flow mechanism
Learn More →
Q. What is the primary effect of high levels of carbon monoxide exposure?
A.
Respiratory failure
B.
Cyanosis
C.
Hypoxia
D.
Pulmonary edema
Show solution
Solution
High levels of carbon monoxide exposure primarily lead to hypoxia due to its binding to hemoglobin.
Correct Answer:
C
— Hypoxia
Learn More →
Q. What is the primary effect of insulin binding to its receptor?
A.
Increased glucose uptake
B.
Decreased protein synthesis
C.
Inhibition of cell growth
D.
Increased lipid breakdown
Show solution
Solution
Insulin binding to its receptor primarily leads to increased glucose uptake by cells.
Correct Answer:
A
— Increased glucose uptake
Learn More →
Q. What is the primary effect of the parasympathetic nervous system?
A.
Increased heart rate
B.
Increased digestive activity
C.
Dilated pupils
D.
Increased respiratory rate
Show solution
Solution
The parasympathetic nervous system primarily promotes 'rest and digest' activities, increasing digestive activity.
Correct Answer:
B
— Increased digestive activity
Learn More →
Q. What is the primary effect of the renin-angiotensin-aldosterone system (RAAS)?
A.
Decrease heart rate
B.
Increase blood volume and pressure
C.
Decrease blood glucose levels
D.
Increase oxygen delivery to tissues
Show solution
Solution
The RAAS primarily increases blood volume and pressure through the retention of sodium and water.
Correct Answer:
B
— Increase blood volume and pressure
Learn More →
Q. What is the primary effect of the sympathetic nervous system during a stress response?
A.
Increased heart rate and blood pressure
B.
Decreased respiratory rate
C.
Increased digestion
D.
Decreased blood sugar levels
Show solution
Solution
The sympathetic nervous system prepares the body for 'fight or flight' by increasing heart rate and blood pressure.
Correct Answer:
A
— Increased heart rate and blood pressure
Learn More →
Q. What is the primary end product of glycolysis?
A.
Lactate
B.
Pyruvate
C.
Acetyl-CoA
D.
Glucose
Show solution
Solution
The primary end product of glycolysis is pyruvate, which is formed from glucose.
Correct Answer:
B
— Pyruvate
Learn More →
Showing 361 to 390 of 1754 (59 Pages)