Q&A Hero

Q: The __________ system provides protection, water retention, thermoregulation, and vitamin D production. A. lymphatic B. muscular C. skeletal D. integumentary E. digestive

Q: The thymus, spleen, and tonsils are principal organs of the __________ system. A. endocrine B. respiratory C. lymphatic D. circulatory E. muscular

Q: The __________ and __________ systems control and coordinate the 50 trillion cells in a human. A. muscular; nervous B. circulatory; lymphatic C. endocrine; nervous D. circulatory; endocrine E. muscular; skeletal

Q: The brain and spinal cord are protected by the _________. A. pleura B. pericardium C. peritoneum D. serosa E. meninges

Q: Which one of the following is not in the correct anatomical position? A. Arms at sides B. Standing upright C. Face and eyes facing forward D. Feet flat on the floor E. Palms facing hips

Q: The plane that passes vertically through the body or an organ and divides it into anterior and posterior portions is called the __________ plane. A. sagittal B. frontal C. median D. transverse E. oblique

Q: The interscapular region is __________ to the scapular region. A. anterior B. posterior C. medial D. lateral E. superior

Q: The sternum (breastbone) is __________ to the vertebral column. A. anterior B. posterior C. superior D. inferior E. medial

Q: The __________ part of the small intestine is the part closest to the stomach. A. dorsal B. ventral C. proximal D. distal E. medial

Q: The right shoulder is __________ and __________ to the umbilical region. A. superior; lateral B. superior; medial C. inferior; lateral D. inferior; medial E. posterior; lateral

Q: The trachea is __________ to the esophagus. A. superior B. dorsal C. anterior D. posterior E. inferior

Q: In the cat, the head is _________ to the tail. In the human, the head is ________ to the gluteal region (buttock). A. superior; superior B. anterior; superior C. posterior; dorsal D. ventral; distal E. anterior; posterior

Q: The visceral pericardium is __________ to the parietal pericardium. A. lateral B. medial C. superficial D. deep E. anterior

Q: The lumbar vertebrae are __________ to the thoracic vertebrae. A. anterior B. superior C. cephalic D. posterior E. inferior

Q: Most of the stomach is located in the _________ of the abdomen. A. right upper quadrant (RUQ) B. right lower quadrant (RLQ) C. left upper quadrant (LUQ) D. left lower quadrant (LLQ) E. left middle quadrant (LMQ)

Q: The superolateral regions of the abdomen are called the _________ regions. A. epigastric B. inguinal C. hypochondriac D. hypogastric E. lateral abdominal

Q: The urinary bladder is located in the __________ region. A. epigastric B. umbilical C. hypogastric D. inguinal E. hypochondriac

Q: In the appendicular region, the wrist is called the _________ region, and the ankle is called the ___________ region. A. manual; pedal B. brachial; crural C. crural; antebrachial D. carpal; tarsal E. metacarpal; metatarsal

Q: The spine encloses the __________. A. thoracic cavity B. abdominal cavity C. pelvic cavity D. vertebral canal E. cranial cavity

Q: The ___________ is an organ directly associated with the _________ and __________ systems. A. stomach; digestive; reproductive B. pancreas; digestive; endocrine C. small intestine; digestive; integumentary D. testis; male reproductive; urinary E. ovary; female reproductive; lymphatic

Q: The cut of a guillotine is an example of a section done in the midsagittal plane.

Q: The appendicular region consists of the head, neck and trunk.

Q: The appendix is typically found in the right lower quadrant.

Q: The liver is proximal to the diaphragm.

Q: When the abdomen is divided into nine regions, the most superior horizontal line is called the midclavicular line.

Q: The most lateral and superior region of the abdomen is called the hypochondriac region.

Q: The heart occupies a space called the pericardial cavity between the parietal and visceral pericardium.

Q: The cranial cavity contains the brain.

Q: The __________ cavity is inferior to the _____________ cavity. A. cranial; thoracic B. thoracic; abdominopelvic C. pericardial; pleural D. thoracic; peritoneal E. thoracic; cranial

Q: The most superior segment of the upper limb is called the __________. A. digits B. manual region C. carpal region D. antebrachial region E. brachial region

Q: The __________ region of the left lower limb is proximal to the __________ region of the ipsilateral limb. A. carpal; manual B. femoral; crural C. antebrachial; brachial D. tarsal; crural E. brachial; femoral

Q: The ______ wraps around the stomach, small intestine, and large intestine. A. pleura B. pericardium C. meninges D. visceral peritoneum E. parietal peritoneum

Q: If the sinoatrial (SA) node is damaged, the heart will likely beat at __________ bpm. A. 0 to 10 B. 10 to 20 C. 20 to 40 D. 40 to 50 E. 70 to 80

Q: Natriuretic peptide inhibits __________ reabsorption by the collecting duct, which _________ urine output. A. K+; increases B. NaCl; decreases C. NaCl; increases D. K+; decreases E. Ca2+; increases

Q: The frontal plane passes vertically through the body or an organ and divides it into equal right and left portions.

Q: 32. A solution with pH 4 has __________ the H+ concentration of a solution with pH 8. A. B. 2 times C. 4 times D. 10,000 times E. 1/10,000

Q: Which of these has the highest H+ concentration? A. Lemon juice, pH = 2.3 B. Red wine, pH = 3.2 C. Tomato juice, pH = 4.7 D. Saliva, pH = 6.6 E. Household ammonia, pH = 10.8

Q: In the following reaction, what is(are) the product(s)? CO2 + H2O ---> H2CO3 A. H2CO3 B. CO2 and H2O C. CO2 and H2CO3 D. H2O and H2CO3

Q: 8. Na+-K+ ATPase is a countertransport antiport carrier, which always requires energy.

Q: 43. The sodium-potassium (Na+-K+) pump transports both sodium and potassium __________ their concentration gradients in a process called ____________. A. up; active transport B. up; facilitated transport C. up; cotransport D. down; active transport E. down; countertransport

Q: Which of the following is not a function of the Na+-K+ pump? A. Heat production B. Transport of Na+ into the cell and K+ out of the cell C. Secondary active transport D. Regulation of cell volume E. Maintenance of membrane potential

Q: Blood Ca2+ deficiency stimulates __________ secretion, which leads to __________. A. calcitonin; more urinary phosphate reabsorption B. calcitriol; more urinary phosphate excretion C. parathyroid hormone; increased osteoclast activity D. growth hormone; increased osteoblast activity E. thyroid hormone; less urinary calcium excretion

Q: When the voltage of a plasma membrane shifts from +35mV towards 0 mV, the cell is __________. A. depolarizing B. repolarizing C. hyperpolarizing D. reaching the threshold E. exiting the threshold

Q: Parkinson disease is a progressive loss of motor function due to the degeneration of specific neurons. These neurons secrete an inhibitory neurotransmitter that prevents excessive activity in motor centers of the brain. What neurotransmitter is this? A. Serotonin B. Dopamine C. Acetylcholine D. GABA E. Glutamate

Q: The __________ secrete(s) a hormone as a response to hypocalcemia. A. thymus B. thyroid gland C. parathyroid glands D. pineal gland E. pituitary gland

Q: Incompatibility of one person's blood with another results from the action of plasma antibodies against the RBCs' antigens.