Question 1

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

Accepted Answer

Anatomy studies body structure, while physiology studies body function.

Question 2

A patient is exposed to cold weather, causing their body temperature to drop. Sweat glands decrease activity, and blood vessels constrict to conserve heat. Which type of feedback loop is this an example of?

Accepted Answer

Negative feedback

Question 3

Arrange the following levels of organization in order from smallest to largest: organ, tissue, cell, organism, organ system.

Accepted Answer

Cell → Tissue → Organ → Organ System → Organism

Question 4

Which of the following is a correct example of a positive feedback mechanism in the human body?

Accepted Answer

Release of oxytocin during childbirth contractions

Question 5

A solution has a pH of 5. Which statement is true regarding its acidity?

Accepted Answer

It is acidic.

Question 6

Which chemical bond is responsible for the double helix structure of DNA due to its ability to form between base pairs?

Accepted Answer

Hydrogen bond

Question 7

A cell is placed in a hypertonic solution. What is the most likely outcome?

Accepted Answer

The cell will shrink as water leaves.

Question 8

Which organelle is primarily responsible for ATP production in the cell?

Accepted Answer

Mitochondria

Question 9

Which process requires ATP to move substances against their concentration gradient?

Accepted Answer

Primary active transport

Question 10

A gland that releases its secretion by rupturing the entire cell is classified as:

Accepted Answer

Holocrine

Question 11

Which tissue type is responsible for transmitting electrical signals throughout the body?

Accepted Answer

Nervous tissue

Question 12

Which layer of the epidermis contains stem cells responsible for mitosis?

Accepted Answer

Stratum basale

Question 13

Melanocytes transfer melanin to keratinocytes. What is the primary function of this process?

Accepted Answer

To provide UV protection for the nucleus

Question 14

Which of the following is NOT a function of connective tissue?

Accepted Answer

Secretion

Question 15

Which organelle is the site of protein synthesis?

Accepted Answer

Ribosome

Question 16

A patient with cyanosis presents with bluish skin. What is the most likely cause?

Accepted Answer

Low oxygen levels in the blood

Question 17

Which of the following best describes the role of buffers in blood?

Accepted Answer

Buffers prevent drastic pH swings.

Question 18

Which type of muscle tissue is voluntary and striated?

Accepted Answer

Skeletal muscle

Question 19

Which of the following best explains why water is essential for temperature regulation in the body?

Accepted Answer

Water has a high heat capacity, resisting temperature changes.

Question 20

Which of the following equations correctly represents the formation of ATP from ADP and phosphate?

Accepted Answer

$$\mathrm{ADP} + \mathrm{P_i} \rightarrow \mathrm{ATP}$$

Anatomy & Physiology: Foundational Study Notes (Chapters 1–5)

Guida di studio - Domande di pratica

Study guide - Flashcard