Question 1

Refer to the image of the pelvic girdle. Which of the following bones is NOT part of the pelvic girdle?

Accepted Answer

Femur

Question 2

Based on the diagram showing levels of biological organization, which of the following correctly orders the levels from smallest to largest?

Accepted Answer

Atom → Molecule → Organelle → Cell

Question 3

The anatomical position is best described as:

Accepted Answer

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

Question 4

Which directional term describes the position of the nose relative to the ears?

Accepted Answer

Medial

Question 5

In the negative feedback loop for body temperature regulation (see diagram), what is the role of the sweat glands?

Accepted Answer

They act as effectors to decrease body temperature

Question 6

The positive feedback loop involving oxytocin during childbirth (see diagram) is best described as:

Accepted Answer

A process where the response enhances the original stimulus

Question 7

According to the diagram of the most abundant elements in the body, which element makes up the largest percentage of body mass?

Accepted Answer

Oxygen

Question 8

The image showing sodium and chlorine atoms forming a bond illustrates which type of chemical bond?

Accepted Answer

Ionic bond

Question 9

The image of two hydrogen atoms sharing electrons represents which type of bond?

Accepted Answer

Nonpolar covalent bond

Question 10

The water molecule diagram shows partial charges on the atoms. What property does this illustrate?

Accepted Answer

Water is a polar molecule

Question 11

According to the pH scale diagram, which of the following substances is most acidic?

Accepted Answer

Stomach acid

Question 12

The dehydration synthesis reaction between glucose and fructose to form sucrose is an example of:

Accepted Answer

Anabolic reaction

Question 13

The diagram showing the formation of a triglyceride from glycerol and three fatty acids is an example of:

Accepted Answer

Dehydration synthesis

Question 14

Which statement about saturated and unsaturated fatty acids (see diagram) is correct?

Accepted Answer

Unsaturated fatty acids are typically liquid at room temperature

Question 15

The phospholipid bilayer diagram shows hydrophilic heads and hydrophobic tails. Which statement is correct?

Accepted Answer

Hydrophobic tails face the interior of the membrane

Question 16

The steroid structure shown is most likely which molecule?

Accepted Answer

Cholesterol

Question 17

The peptide bond highlighted in the diagram is formed between which two functional groups?

Accepted Answer

Amino and carboxyl groups

Question 18

The diagram showing primary, secondary, tertiary, and quaternary protein structure demonstrates that:

Accepted Answer

Protein function is determined by its three-dimensional shape

Question 19

The ATP/ADP diagram shows energy being released when:

Accepted Answer

A phosphate group is removed from ATP

Question 20

The nucleotide diagram shows three main components. Which of the following is NOT a component of a nucleotide?

Accepted Answer

Fatty acid

Anatomy & Physiology: Foundational Concepts and Chemical Organization

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