$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \text{energy}$$

Question 1

Which of the following best describes the difference between anatomy and physiology?

Accepted Answer

Anatomy focuses on the structure of body parts, while physiology focuses on how those parts work.

Question 2

Which of the following is an example of a negative feedback mechanism in the human body?

Accepted Answer

Regulation of blood glucose levels by insulin

Question 3

A patient presents with a burn that affects both the epidermis and the entire dermis, but not underlying tissues. What type of burn is this?

Accepted Answer

Third-degree burn

Question 4

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

Accepted Answer

Produce ATP through aerobic respiration

Question 5

Which equation correctly represents the breakdown of glucose during cellular respiration?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} ightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + 	ext{energy}$$

Question 6

A patient has a mutation in the gene coding for collagen. Which tissue type is most likely to be affected?

Accepted Answer

Connective tissue

Question 7

Which of the following best describes the role of the sodium-potassium pump in neurons?

Accepted Answer

It actively transports $$3$$ sodium ions out and $$2$$ potassium ions into the cell, maintaining the resting membrane potential.

Question 8

Which of the following is a function of the skin?

Accepted Answer

Regulation of body temperature

Question 9

Which of the following best describes the difference between simple and stratified epithelial tissue?

Accepted Answer

Simple epithelium consists of a single layer of cells, while stratified epithelium has multiple layers.

Question 10

Which of the following is NOT a function of proteins in the body?

Accepted Answer

Storing genetic information

Question 11

A patient is unable to produce sufficient insulin. Which organ is most likely affected?

Accepted Answer

Pancreas

Question 12

Which of the following best describes the function of ATP in muscle contraction?

Accepted Answer

ATP provides energy for the detachment of myosin from actin.

Question 13

Which of the following is a correct description of a synovial joint?

Accepted Answer

A joint where bones are separated by a fluid-filled cavity, allowing free movement.

Question 14

Which of the following best describes the process of inflammation in tissue repair?

Accepted Answer

It involves increased blood flow, migration of immune cells, and release of chemical mediators.

Question 15

Which of the following is the correct sequence of events in the transmission of a nerve impulse across a synapse?

Accepted Answer

Action potential arrival, calcium influx, neurotransmitter release, postsynaptic response

Question 16

Which of the following best describes the function of the cerebellum?

Accepted Answer

Coordination of voluntary movements and balance

Question 17

Which of the following is a correct description of the structure of DNA?

Accepted Answer

A double helix composed of nucleotides with complementary base pairing

Question 18

Which of the following equations represents the calculation of body mass index (BMI)?

Accepted Answer

$$\mathrm{BMI} = \dfrac{	ext{weight (kg)}}{	ext{height (m)}^2}$$

Question 19

Which of the following best describes the function of the sarcoplasmic reticulum in muscle cells?

Accepted Answer

It stores and releases calcium ions necessary for muscle contraction.

Question 20

Which of the following is a correct description of the difference between DNA and RNA?

Accepted Answer

DNA is double-stranded, while RNA is single-stranded.

Comprehensive Study Guide for Anatomy & Physiology I (APhY101)

Study Guide - Practice Questions