Q: Which of the following is the correct formula for calculating the number of neutrons in an atom?

$$\text{Number of neutrons} = \text{Mass number} - \text{Atomic number}$$

Question 1

Which of the following best describes the difference between negative feedback and positive feedback mechanisms in homeostasis?

Accepted Answer

Negative feedback opposes changes to maintain stability, while positive feedback enhances changes leading to a specific outcome.

Question 2

A patient is lying face up on an examination table. What is the anatomical position of the patient?

Accepted Answer

Supine

Question 3

Which serous membrane directly covers the surface of the heart?

Accepted Answer

Visceral pericardium

Question 4

Which abdominal pelvic region is located directly below the umbilical region?

Accepted Answer

Hypogastric (pubic) region

Question 5

Which of the following is NOT considered a characteristic of living organisms?

Accepted Answer

Inability to respond to stimuli

Question 6

A transverse section of the body divides it into which of the following?

Accepted Answer

Superior and inferior portions

Question 7

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

Accepted Answer

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

Question 8

Which of the following is an example of a catabolic chemical reaction?

Accepted Answer

Hydrolysis

Question 9

Given the chemical formula $$\mathrm{H_2O}$$, how many hydrogen and oxygen atoms are present in one molecule?

Accepted Answer

2 hydrogen atoms and 1 oxygen atom

Question 10

Which of the following is an inorganic molecule?

Accepted Answer

Water ($$\mathrm{H_2O})$$

Question 11

If an atom has an atomic number of 8 and a mass number of 16, how many neutrons does it have?

Accepted Answer

8

Question 12

Which of the following best describes the function of the plasma membrane?

Accepted Answer

It regulates the movement of substances into and out of the cell.

Question 13

A red blood cell is placed in a hypertonic solution. What will happen to the cell?

Accepted Answer

It will shrink due to water loss.

Question 14

Which of the following is a building block of proteins?

Accepted Answer

Amino acids

Question 15

Which organelle is primarily responsible for ATP production in eukaryotic cells?

Accepted Answer

Mitochondria

Question 16

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

Accepted Answer

Metaphase

Question 17

Which process involves the engulfment of large particles by a cell, requiring energy in the form of ATP?

Accepted Answer

Phagocytosis

Question 18

Which of the following best describes the difference between isotonic, hypotonic, and hypertonic solutions?

Accepted Answer

Isotonic solutions have equal solute concentration as the cell, hypotonic solutions have lower solute concentration, and hypertonic solutions have higher solute concentration.

Question 19

Which of the following is the correct formula for calculating the number of neutrons in an atom?

Accepted Answer

$$	ext{Number of neutrons} = 	ext{Mass number} - 	ext{Atomic number}$$

Question 20

Which of the following best describes the role of enzymes in biological reactions?

Accepted Answer

Enzymes act as catalysts to speed up chemical reactions without being consumed.

Fundamental Concepts in Anatomy & Physiology: Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard