Chapter 1 1. Which of the following is an example of homeostasis?

a. regulation of blood CO2 level

b. regulation of blood glucose level

c. regulation of body temperature

d. all of the above

2. Which statement is a correct description of negative feedback control system?

a. It is stimulatory

b. It is inhibitory

c. It amplifies the change that is occurring

3. Positive feedback control system:

a. Are stimulatory

b. Tend to produce destabilizing effects and disrupt homeostasis

c. Produce an action that is opposite to the change that activate the same system

d. Both "a" and "b" are correct

4. The lungs are to the liver:

a. distal

b. lateral

c. inferior

d. superior

5. The heart is to the lungs:

a. superior

b. dorsal

c. medial

d. lateral

6. A vertical plane through the body dividing it into right and left is termed:

a. sagittal

b. lateral

c. transverse

d. frontal

7. A patient sustains severe blunt trauma to the left upper abdomen and requires surgery. The body organ most likely to be involved is the

a. appendix

b. gallbladder

c. spleen

d. urinary bladder

8. Cytology is the study of:

a. tissues

b. organisms

c. cells

d. all of these are correct

9. A term that means nearer the attached end of a limb is:

a. medial

b. lateral

c. distal

d. proximal

10. Coronal plane:

a. Divides the body into anterior and posterior portions

b. Divides the body into upper and lower portions

c. Divides the body into left and right portions

d. Is also called horizontal plane

homeostasis regulate body glucose

why many students visually perceive stem as a vapid class?

for many students, however, stem subjects are optically discerned as vapid, tedious, and destitute of authentic-world applications. science and math have always been a major part of the high school curriculum, but many students have disengaged from these subjects because they don’t optically discern that they have any pertinence to the authentic world or students’ daily lives. for them, math and science have become a set of rules, procedures, laws, theorems, and formulas to memorize. some students even develop math apprehensiveness and cerebrate they are incapable of learning higher-level mathematics.

why is stem paramount?

as the u.s. economy changes, the ordinant dictation for stem-capable workers is growing. in may of 2014, the u.s. bureau of labor statistics counted more than 8.3 million stem jobs, which accounted for 6.2 percent of total employment in the cumulated states. that number is expected to perpetuate to increment as u.s. companies grow and innovate to compete in the ecumenical economy. according to the u.s. department of labor, the average salary for all stem jobs is $85,570, which is virtually double the average salary for all jobs.

many people still envision stem professionals as wearing a white lab coat and conducting research in a laboratory. in authenticity, some of the most in-demand stem fields are petroleum engineering, process engineering, and computer engineering. these fields that are experiencing shortages of qualified candidates are additionally among the highest paying, with the average petroleum engineer earning an annual salary of $147,520 in may 2014 according to the u.s. bureau of labor statistics.

in additament, stem subjects edify students valuable skills that are vital for prosperity in all vocations, even those that do not directly require stem erudition. engagement in stem subjects avails students develop quandary-solving, critical mentally conceiving, and leadership skills. these skills are so ecumenical, in fact, that statistics relinquished in the summer of 2013 by the u.s. census bureau designated that about three-quarters of the people with a bachelor’s degree in stem fields are not working in those vocations. many non-stem employers are poaching stem-qualified job candidates because they are more ingenious and collaborative than their non-stem counterparts.

as the ecumenical economy perpetuates to evolve, the desideratum for stem-capable workers will perpetuate to grow. by getting edifiers and students involved in the stem kineticism, an incipient generation of adroit workers will be poised to energize and expand this exhilarating field.

check this over.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: