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Which of the following is NOT a characteristic of hormones? A) A hormone secreted in the blood can remain active for 6 hours B) The secretion of 1 picomolar (pM) of hormone is enough to elicit a response in target cells C) Hormones can be secreted by neurons D) Hormones can act on distant targets, as long as these target cells express the appropriate receptors. E) All of the above are characteristics of hormones correct answersE) All of the above are characteristics of hormone...

which of the following is NOT a name of a tonsil? a. pharyngeal b. palatine c. maxillary d. lingual correct answersc. maxillary A patient is diagnosed with breast cancer in the upper external quadrant of the R breast. the doctor is concerned whether the pt has invasion of lymph nodes. which chain of lymph nodes would you expect to have cancer cells? a. cervical lymph nodes b. axillary lymph nodes c. inguinal lymph nodes d. popliteal lymph nodes correct answersb. axillary lymph nodes ...

The lower respiratory tract includes the... correct answersAll of the Above (Trachea, 2 Primary Bronchii, Lungs) External respiration is the movement of gases from the environment into the cells of the body correct answersTrue The ___ carry/carries the re-oxygenated blood from the lungs to the heart. correct answersPulmonary veins The partial pressure of O2 in the alveoli is ___ mmHg, whereas the partial pressure of CO2 in the alveoli is ___ mmHg correct answers100; 40 The measure o...

Homeostasis correct answersRegulation of the body's internal environment; must respond to environmental challenges. Law of Mass Balance correct answersLaw that states that the amount of substance in the body is to remain constant, any gain must be offset by an equal loss. Negative feedback loop correct answersSomething is wrong in a body system that is sensed and there is a response that is generated which returns the system to a homeostatic state (stabilizes variable). Positive feedba...

HESI EXIT EXAM 2024 WITH 100% COMPLETE SOLUTIONS EXIT HESI - Comprehensive PN Exam A Practice Questions with 100% correct answers

What forms/serves as the capacitor in the neuron? correct answersThe lipid bilayer. Its membranes act like the parallel plates of a capacitor (remember physics?). Charge lines up on the inside and the outside of the membrane (like how + and - charge lines up on the plates of a capacitor). What is capacitance? correct answersThe ability to accept and pile up charge without changing voltage. The capacitance of a certain membrane is the number of ions that have to move through the membrane (pile...

Three fundamental properties correct answersMass Length Time Mass correct answersthe amount of matter or "physical substance" which an object or group of objects possesses Length correct answersthe distance between two points in space time correct answersthe period or interval between two events Unit of mass correct answersthe kilogram *on the earth, 1 kg has a weight of 9.8 newtons. this is approximately 2.2 lb. Unit of length correct answersthe meter *1 m is approximately ...

Suppose the extracellular concentration of water increased in a human tissue or organ. Then, the intracellular fluid volume would also increase. Please indicate whether the above statement is true or false. correct answersTrue. Suppose the extracellular concentration of water increased in a human tissue or organ. Out of the following parameters, which one would not increase? Intracellular solute concentration The possibility of cellular lysis (bursting) Activity of Na+...

The release of a substance from one cell that acts on receptors on another cell is an example of ______________ communication. correct answersparacrine Which is found to be the lowest intracellular concentration in a resting cell? correct answersCa2+ **highest intracellular = proteins Components of a cell membrane may include all the following EXCEPT: a. cholesterol, b. voltage gated K+ channels, c. cAMP, d. dopamine receptors, e. phospholipids correct answerscAMP -components include: ch...

smooth muscle correct answers-varied function -non-striated -involuntary -autonomic innervation: excitatory/inhibitory adrenergic receptors, cholinergic muscarinic receptors skeletal muscle correct answers-move skeleton -striated -voluntary (except reflex) -somatic innervation: excitatory cholinergic nicotinic receptors (acetylcholine) Cardiac muscle correct answers-pump blood -striated (and branched) -involuntary -autonomic innervation: excitatory/inhibitory adrenergic receptors,...