Question 1

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

Accepted Answer

Anatomy studies the structure of body parts, while physiology studies how those parts function.

Question 2

Arrange the following levels of biological organization from simplest to most complex: tissue, organ, cell, organ system.

Accepted Answer

Cell, tissue, organ, organ system

Question 3

Which of the following is the basic unit of structure and function in the human body?

Accepted Answer

Cell

Question 4

A patient is experiencing a fever. The body responds by sweating to cool down. This is an example of:

Accepted Answer

Negative feedback

Question 5

Which of the following is an example of positive feedback in the human body?

Accepted Answer

Blood clotting after an injury

Question 6

Which substance is MOST important for human survival and is involved in nearly every physiological process?

Accepted Answer

Water

Question 7

The parietal pericardium is best described as:

Accepted Answer

A membrane that lines the cavity containing the heart

Question 8

Which of the following best describes the anatomical position?

Accepted Answer

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

Question 9

A cut that divides the body into anterior and posterior sections is called a:

Accepted Answer

Frontal (coronal) section

Question 10

Which of the following statements about electron shells is correct?

Accepted Answer

The first shell can hold up to 2 electrons, and the second shell can hold up to 8 electrons.

Question 11

A solution with a pH of 5 is considered:

Accepted Answer

Acidic

Question 12

Which type of chemical bond involves the sharing of electron pairs between atoms?

Accepted Answer

Covalent bond

Question 13

A patient with a blood pH of 7.55 is experiencing:

Accepted Answer

Alkalosis

Question 14

Which macromolecules are generally hydrophobic and serve as long-term energy storage in the body?

Accepted Answer

Lipids

Question 15

A chemically inert atom is one that:

Accepted Answer

Has a full outer electron shell and does not react easily

Question 16

Proteins are composed of which building blocks?

Accepted Answer

Amino acids

Question 17

Which of the following best describes phagocytosis?

Accepted Answer

The engulfing of large particles or cells by a cell

Question 18

Which of the following transport processes requires energy in the form of ATP?

Accepted Answer

Active transport

Question 19

Cancer is most directly related to which abnormality in the cell cycle?

Accepted Answer

Uncontrolled mitosis

Question 20

During mitosis, which step is characterized by the alignment of chromosomes along the center of the cell?

Accepted Answer

Metaphase

Anatomy & Physiology I: Test 1 Review (Chapters 1–3) – Guided Study Notes

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