What mineral is responsible for muscle contractions?
A. Chloride
B. Sodium
C. Calcium
D. Magnesium
front 2
In which of the following
... [Show More] locations would the urinary bladder and internal reproductive organs be found?
A. Thoracic cavity
B. Mediastinum
C. Abdominal cavity
D. Pelvic cavity
D. back 2
front 3
A. back 3
What separates the thoracic cavity from the abdominal cavity?
A. Diaphragm
B. Mediastinum
C. Liver
D. Lungs
front 4
Which of the following epithelial types is correctly matched with its major function?
A. Simple squamous epithelium—secretion or absorption
B. Stratified squamous epithelium—changes shape when stretched
C. Stratified squamous epithelium—diffusion
D. Simple columnar epithelium—secretion or absorption
D. back 4
A tissue examined under the microscope exhibits the follofwroinnt g5 characteristics: cells found on internal surface of stomach, no extracellular matrix, cells tall and thin, no blood vessels in the tissue. What type of tissue is this?
A. Epithelial
B. Connective
C. Muscle
D. Cartilage
E. Nervous
A. back 5
front 6
Nerve tissue is composed of neurons and connective tissue cells that are referred to as which of the following?
A. Osteoblasts
B. Neuroglia
C. Osteocytes
D. Arterioles
B. back 6
front 7
Which tissue serves as the framework of the body by providing support and structure for the organs?
A. Epithelial
B. Connective
C. Nervous
D. Muscle
B. back 7
front 8
What is the basic unit of life and the building block of tissues and organs?
A. Atom
B. Organelle
C. Cell
D. DNA
C. back 8
front 9
B. back 9
Which type of cell division takes place in the gonads?
A. Mitosis
B. Meiosis
C. Binary fission
D. Asexual division
front 10
In what area of the body would you expect to find an especially thick stratum corneum?
A. Back of the hand
B. Heel of the foot
C. Abdomen
D. Over the shin
B. back 10
front 11
What are the glands of skin that produce a thin, watery secretion?
A. Sebaceous glands
B. Eccrine glands
C. Apocrine glands
D. Endocrine glands
B. back 11
front 12
Skin aids in maintaining the calcium and phosphate levels of the body by participating in the production of which of the following?
A. Sebum
B. Keratin
C. Vitamin A
D. Vitamin D
D. back 12
front 13
Which of the following are functions of the skeletal system? (Select all that apply.)
A. Support the body
B. Hemopoiesis
C. Conduct impulses
D. Provide protection back 13
A.
B.
D.
front 14
The orthopedic surgeon informs you that you have broken the middle region of the humerus. What is he describing?
A. Epiphysis
B. Articular cartilage
C. Perichondrium
D. Diaphysis
D. back 14
front 15
You have been given a sample of tissue that has open spaces partially filled by an assemblage of needlelike structures. What is the tissue?
A. Spongy bone
B. Compact bone
C. Cartilage
D. Adipose tissue
A. back 15
front 16
Which of the following bones is the only moveable bone of the skull?
A. Maxilla
B. Zygomatic
C. Lacrimal
D. Mandible
D. back 16
front 17
Which mineral is responsible for regulating fluid in the body?
A. Chloride
B. Sodium
C. Calcium
D. Magnesium
B. back 17
front 18
Why are skeletal muscles also called voluntary muscles?
A. They are under conscious control.
B. They are attached to the skeleton.
C. They use ATP to energize contraction.
D. They are striated in appearance.
A. back 18
front 19
19. All actions of the nervous system depend on the transmission of nerve impulses over which of the following?
A. Neuroglia
B. Efferent pathways
C. Afferent pathways
D. Neurons
D. back 19
front 20
Motor or neurons transmit nerve impulses away from the CNS.
A. Afferent
B. Efferent
C. Central
D. Peripheral
B. back 20
Jeffery has contracted bulbar poliomyelitis, and it has affected the mferdounltla21 oblongata. The doctors warned the family that his condition is grave and death
may be imminent. What functions of the medulla oblongata have warranted such a dire prognosis?
A. The medulla oblongata contains vital centers that control heart action, blood vessel diameter, and respiration.
B. The medulla oblongata contains neural connections of the reticular-activating system.
C. The medulla oblongata contains the pineal gland, which controls the vital centers.
D. The medulla oblongata contains the corpora quadrigemina, which controls the neural transmission of impulses along the spinal cord.
A. back 21
front 22
What are chemical messengers that control growth, differentiation, and the metabolism of specific target cells called?
A. Hormones
B. Neurons
C. Glands
D. Second messengers
A. back 22
front 23
Which of the following are tropic hormones? (Select all that apply.)
A. Somatotropin
B. Follicle-stimulating hormone
C. Antidiuretic hormone
D. Thyroid-stimulating hormone back 23
A.
B.
D.
front 24
Which leukocytes are correctly matched with their function or description? (Select all that apply.)
A. Monocytes—become macrophages
B. Basophils—the most common type of WBC
C. Lymphocytes—important in immune response
D. Neutrophils—phagocytize microorganisms back 24
A.
C.
D. [Show Less]