Question 1

Which of the following best describes the difference between endemic and epidemic diseases?

Accepted Answer

Endemic diseases are consistently present in a population, whereas epidemic diseases occur suddenly in higher-than-normal numbers.

Question 2

A patient is experiencing muscle weakness and bone pain. Blood tests reveal low calcium levels. Which hormone is most likely deficient?

Accepted Answer

Parathyroid hormone (PTH)

Question 3

Which of the following best describes the function of lysosomes in a cell?

Accepted Answer

They digest and break down cellular waste and foreign material.

Question 4

A patient presents with yellowing of the skin and eyes. Which molecule is most likely elevated in their blood?

Accepted Answer

Bilirubin

Question 5

Which of the following best explains the difference between facilitated diffusion and active transport?

Accepted Answer

Facilitated diffusion moves substances down their concentration gradient with the help of membrane proteins, while active transport moves substances against their gradient using energy.

Question 6

Which of the following is a function of osteoclasts in bone tissue?

Accepted Answer

Osteoclasts break down bone tissue to release minerals.

Question 7

A patient is diagnosed with osteoporosis. Which of the following best describes the underlying cause?

Accepted Answer

Increased activity of osteoclasts leading to bone resorption.

Question 8

Which equation correctly represents the osmotic pressure ($$\Pi) of a $$solution according to van 't Hoff's law?

Accepted Answer

$$\Pi = iCRT$$

Question 9

Which of the following best describes the role of surfactant in the lungs?

Accepted Answer

It decreases surface tension, preventing alveolar collapse.

Question 10

A patient is unable to distinguish between hot and cold objects placed on their skin. Which part of the brain is most likely damaged?

Accepted Answer

Somatic sensory cortex

Question 11

Which of the following statements about the phases of mitosis is correct?

Accepted Answer

During telophase, nuclear envelopes reform around separated chromosomes.

Question 12

Which of the following is true regarding the difference between ventilation and respiration?

Accepted Answer

Ventilation is the movement of air in and out of the lungs, while respiration refers to gas exchange at the alveoli and cellular level.

Question 13

Which of the following best describes the function of the medulla oblongata?

Accepted Answer

It regulates heart rate, breathing, and other autonomic functions.

Question 14

A patient is unable to flex their forearm after an injury. Which structure is most likely damaged?

Accepted Answer

Tendon

Question 15

Which of the following is a correct description of the anatomical position?

Accepted Answer

Standing upright, facing forward, arms at sides, palms facing forward.

Question 16

Which of the following is a function of macrophages in the immune system?

Accepted Answer

They engulf and digest pathogens and cellular debris.

Question 17

Which of the following best describes the role of FSH (follicle-stimulating hormone) in the human body?

Accepted Answer

It promotes the development of ovarian follicles and spermatogenesis.

Question 18

Which of the following is a correct statement about the difference between ligament and tendon?

Accepted Answer

Ligaments connect bone to bone, while tendons connect muscle to bone.

Question 19

A patient is experiencing rapid heart rate and increased blood pressure after a stressful event. Which hormones are most likely responsible for these symptoms?

Accepted Answer

Norepinephrine and epinephrine

Question 20

Which of the following best describes the function of mitochondria in a cell?

Accepted Answer

They produce ATP through aerobic respiration.

Comprehensive Study Guide: Key Concepts in Anatomy & Physiology

Guida di studio - Domande di pratica

Study guide - Flashcard