BSC Test 1

Which of the following is/are needed to form a triglyceride molecule?

3 fatty acid molecules and 1 glycerol molecule

An anatomical term that means the same as ventral is

anterior

An example of an inorganic substance is

carbon dioxide

Which organ system transports nutrients, metabolic wastes, gases, and defense cells?

cardiovascular

The plasma membrane includes

cholesterol. phospholipids. integral proteins. glycolipids.

The movement of oxygen from an area of high concentration to an area of low concentration is an example of

diffusion.

The integrating center for the negative feedback loop that regulates body temperature is the

hypothalamus.

Which of the following organs is described as retroperitoneal?

kidney

Endocytosis is a

method for transporting substances into the cell.

Most of the ATP required to power cellular operations is produced in the

mitochondria.

When body temperature rises, a center in the brain initiates physiological changes to decrease the body temperature. This is an example of

negative feedback.

An alternate term for tumor is

neoplasm

Molecules that store and process genetic information are the

nucleic acids.

An amino acid is to a protein as a ________ is to a nucleic acid.

nucleotide

Alaska Natives have a lower incidence of heart disease even though their diets are high in fat and cholesterol. This may be due to the large amount of ________ in their diets.

omega-3 fatty acids

Visceral pericardium is located

on the heart itself.

Which of the following is arranged in correct order from the most complex to the simplest?

organism, system, organ, tissue, cellular, molecular

Which pH is closest to normal body pH?

pH of 7

The thoracic cavity contains the

pericardial and pleural cavities

The serous membrane covering the stomach and most of the intestines is called the

peritoneum

A defense cell engulfing a bacterium illustrates

phagocytosis.

mRNA is needed to synthesize ________ in the cytoplasm.

proteins

The wrist is ________ to the elbow.

proximal

Homeostatic regulation usually involves a(n) ________ that detects a particular stimulus, and a(n) ________ that responds to the stimulus by communicating with a(n) ________ whose activity has an effect on the same stimulus.

receptor; control center; effector

Anatomy is to ________ as physiology is to ________.

structure; function

Most of the fat found in the human body is in the form of

triglycerides.

The kidneys and ureters are organs of the ________ system.

urinary

Which organ system includes the spleen and the tonsils?

lymphatic

Cancer cells

may exhibit metastasis.

The most abundant high- energy compound in cells is

ATP

A cell duplicates its chromosomes during the ________ phase.

S

_______ cells are all of the cells of the body except the reproductive cells (sperm and oocytes).

Somatic

The liver is primarily located in the ________ quadrant.

Upper right

The plasma membrane is composed of

a bilayer of phospholipids.

If a substance has a pH that is greater than 7, it is

alkaline

A person who is standing facing forward with hands at the sides and palms facing forward is in the ________ position.

anatomical

The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane- bound carrier proteins is called

facilitated diffusion

The functional units of DNA that contain the instructions for making one or more proteins are

genes

The most important metabolic fuel molecule in the body is

glucose

A polysaccharide that is formed in liver and muscle cells to store glucose is

glycogen

Which organ system removes carbon dioxide from the bloodstream?

respiratory

Synthesis of lipids and glycogen takes place at the

rough ER.

Which plane divides the body into right and left parts?

sagittal

A shortage of steroids in the body would result in a shortage of

sex hormones and plasma membranes.

Which organ system provides support, protection of soft tissue, mineral storage, and blood formation?

skeletal

Examination of a sample of glandular cells reveals an extensive network of smooth endoplasmic reticulum. Which of the following is the likeliest product of these cells?

steroid hormones

Which of the following substances would be most acidic?

stomach secretions, pH = 1

During mitosis, two daughter cells form, each of which has

the same number of chromosomes as the original cell.

The diaphragm muscle separates the ________ from the ________.

thoracic cavity; abdominopelvic cavity