Question 1

What is the difference between the coccyx and coxal bones?

Accepted Answer

The coccyx (or tailbone)is a triangular

Question 2

With reference to the negative feedback system shown in the figure above, which of the following descriptions best describes the receptors (marked A in the figure)used to detect decreases in blood calcium concentrations?

Accepted Answer

A) Parathyroid gland cells detect lowered calcium levels. 
B) Neurons in the hypothalamus detect lowered calcium levels. 
C) Thyroid gland cells detect lowered calcium levels. 
D) PTH genes detect lowered calcium levels. 
E) Osteoclasts detect lowered calcium levels. 
A) Parathyroid gland cells detect lowered calcium levels. 
B) Neurons in the hypothalamus detect lowered calcium levels. 
C) Thyroid gland cells detect lowered calcium levels. 
D) PTH genes detect lowered calcium levels. 
E) Osteoclasts detect lowered calcium levels.

Question 3

Which is not part of the axial skeleton?

Accepted Answer

A) facial skull bones 
B) vertebrae 
C) ribs 
D) talus 
E) cranial skull bones 
A) facial skull bones 
B) vertebrae 
C) ribs 
D) talus 
E) cranial skull bones

Question 4

The facial bones that are commonly called the cheekbones are the

Accepted Answer

A) zygomatic bones 
B) lacrimal bones 
C) maxillae 
D) vomer bones 
E) frontal bones 
A) zygomatic bones 
B) lacrimal bones 
C) maxillae 
D) vomer bones 
E) frontal bones

Question 5

Osteoblasts are mature bone cells.

Accepted Answer

A) True 
 B)False

Question 6

The replacement of cartilage by bone is called intramembranous ossification.

Accepted Answer

A) True 
 B)False

Question 7

All of the following bones are carpals EXCEPT the

Accepted Answer

A) cuboid 
B) lunate 
C) hamate 
D) capitate 
E) scaphoid 
A) cuboid 
B) lunate 
C) hamate 
D) capitate 
E) scaphoid

Question 8

Red bone marrow is hemopoietic (blood-forming).

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is NOT a bone marking found on the scapula?

Accepted Answer

A) spine 
B) glenoid cavity 
C) acromion 
D) coracoid process 
E) deltoid tuberosity 
A) spine 
B) glenoid cavity 
C) acromion 
D) coracoid process 
E) deltoid tuberosity

Question 10

The presence of the epiphyseal plate allows the diaphysis of the bone to increase in diameter.

Accepted Answer

A) True 
 B)False

Question 11

All of the following hormones play a role in bone growth and maintenance EXCEPT

Accepted Answer

A) growth hormone 
B) parathyroid hormone 
C) insulin-like growth factor 
D) thyroid hormones 
E) epinephrine 
A) growth hormone 
B) parathyroid hormone 
C) insulin-like growth factor 
D) thyroid hormones 
E) epinephrine

Question 12

The sphenoid bone is a facial bone.

Accepted Answer

A) True 
 B)False

Question 13

The vertebral column is also called the spine, spinal column, or backbone.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following are classified as flat bones?

Accepted Answer

A) femur 
B) vertebrae 
C) ankle bones 
D) cranial bones 
E) ulna and radius 
A) femur 
B) vertebrae 
C) ankle bones 
D) cranial bones 
E) ulna and radius

Question 15

The decrease of estrogen levels observed in females after the age of 40 increases the loss of calcium from bones.

Accepted Answer

A) True 
 B)False

Question 16

The bone cells primarily responsible for bone resorption are

Accepted Answer

A) osteogenic cells 
B) osteoclasts 
C) osteocytes 
D) osteoblasts 
E) fibroblasts 
A) osteogenic cells 
B) osteoclasts 
C) osteocytes 
D) osteoblasts 
E) fibroblasts

Question 17

The long bones that make up the appendages of a human are initially formed by

Accepted Answer

A) endochondral ossification. 
B) intramembranous ossification. 
C) bone remodeling. 
D) hemopoiesis. 
E) both endochondral ossification and intramembranous ossification. 
A) endochondral ossification. 
B) intramembranous ossification. 
C) bone remodeling. 
D) hemopoiesis. 
E) both endochondral ossification and intramembranous ossification.

Question 18

The vomer is a triangular bone that forms part of the nasal septum.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements is NOT a reason for maintaining relatively constant blood calcium levels?

Accepted Answer

A) Many enzymes need calcium as a cofactor. 
B) The heart may stop if the calcium level is too high. 
C) Respiration may stop if the calcium level is too low. 
D) Blood clotting requires calcium. 
E) Insulin cannot form if the calcium level is too high. 
A) Many enzymes need calcium as a cofactor. 
B) The heart may stop if the calcium level is too high. 
C) Respiration may stop if the calcium level is too low. 
D) Blood clotting requires calcium. 
E) Insulin cannot form if the calcium level is too high.

Question 20

Which of the following is NOT a characteristic of yellow bone marrow?

Accepted Answer

A) stores triglycerides 
B) consists of mainly adipose cells 
C) produces red blood cells 
D) stores triglycerides and consists mainly of adipose tissue 
A) stores triglycerides 
B) consists of mainly adipose cells 
C) produces red blood cells 
D) stores triglycerides and consists mainly of adipose tissue

Exam 6: The Skeletal System

What is the difference between the coccyx and coxal bones?

With reference to the negative feedback system shown in the figure above, which of the following descriptions best describes the receptors (marked A in the figure)used to detect decreases in blood calcium concentrations?

Which is not part of the axial skeleton?

The facial bones that are commonly called the cheekbones are the

Osteoblasts are mature bone cells.

The replacement of cartilage by bone is called intramembranous ossification.

All of the following bones are carpals EXCEPT the

Red bone marrow is hemopoietic (blood-forming).

Which of the following is NOT a bone marking found on the scapula?

The presence of the epiphyseal plate allows the diaphysis of the bone to increase in diameter.

All of the following hormones play a role in bone growth and maintenance EXCEPT

The sphenoid bone is a facial bone.

The vertebral column is also called the spine, spinal column, or backbone.

Which of the following are classified as flat bones?

The decrease of estrogen levels observed in females after the age of 40 increases the loss of calcium from bones.

The bone cells primarily responsible for bone resorption are

The long bones that make up the appendages of a human are initially formed by

The vomer is a triangular bone that forms part of the nasal septum.

Which of the following statements is NOT a reason for maintaining relatively constant blood calcium levels?

Which of the following is NOT a characteristic of yellow bone marrow?

Organization of the Human Body

Introductory Chemistry

Cells

Tissues

The Integumentary System

Joints

The Muscular System

Nervous Tissue

Central Nervous System, Spinal Nerves, and Cranial Nerves

Autonomic Nervous System

Somatic Senses and Special Sense

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive Systems

Development and Inheritance

Filters