The largest gland in the human body is the _____.

• liver
• pancreas

• gallbladder

• none of the above

Answer explanation

The liver is the largest gland in the human body. It plays a vital role in numerous bodily functions, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion. Therefore, the correct answer to the question is 'liver'.

The bat-shaped bone that extends behind the eyes and forms part of the base of the skull is called the

• occipital bone

• patietal bone

• ethmoid bone

• sphenoid bone

Answer explanation

The question asks about a bat-shaped bone that extends behind the eyes and forms part of the base of the skull. The correct answer is the sphenoid bone. This bone is located at the base of the skull in front of the temporal and basilar parts of the occipital bone. The other options, occipital bone, parietal bone, and ethmoid bone, do not match the description given in the question.

Which of the following may precipitate individual attacks of asthma?

• Volatile irritants from organic solvents

• Exposure to mists and dusts in individual plants

• inhalation of cold air

• all of the above

Answer explanation

The question is about possible triggers of asthma attacks. The correct answer is 'all of the above', indicating that all the listed options can potentially trigger asthma. These include volatile irritants from organic solvents, exposure to mists and dusts in certain plants, and inhalation of cold air. Therefore, these elements are all potential precipitators of individual asthma attacks.

Gram staining is done to determine:

• whether a bacteria is gram positive or gram negative

• cervical cancer

• the species of the organism present

• all of the above

Answer explanation

Gram staining is a method used in microbiology to identify and differentiate bacterial species into two large groups: Gram-positive and Gram-negative. The question asks for the purpose of Gram staining. The correct answer is that it's used to determine whether a bacteria is gram positive or gram negative, not for identifying the species of the organism or checking for cervical cancer.

Under a law passed in 1956, TRICARE formerly known as CHAMPUS provides medical and hospital care for

• all dependents of members of the armed services on active duty

• all retired military personnel and their dependents

• members of the Coast Guard

• all of the above

Answer explanation

TRICARE, previously known as CHAMPUS, was enacted in 1956. It provides medical and hospital care to a variety of groups. This includes all dependents of active duty members of the armed services, all retired military personnel and their dependents, and members of the Coast Guard. Hence, the correct answer to the question is 'all of the above'.

The part of the small intestine that connects with the stomach is the

• jejunum

• ileum

• duodenum

• cecum

Answer explanation

The small intestine is made up of three parts: the duodenum, jejunum, and ileum. The correct answer is the duodenum as it is the first section of the small intestine and it connects directly with the stomach. This is where the initial part of digestion occurs, with the help of bile and pancreatic juices.

The pituitary gland:

• is also called the hyperphysis

• is considered to be the master gland

• does not produce hormones

• is the largest gland in the body

Answer explanation

The pituitary gland is often referred to as the 'master gland' because it controls the functions of many of the other endocrine glands. Thus, the correct option is 'is considered to be the master gland'. Other options are not entirely correct as the pituitary gland is not termed as hyperphysis, it does produce hormones, and it is not the largest gland in the body.

Tags

NGSS.HS-LS1-3

When performing a finger puncture, the first drop of blood should be

• used for filling capillary tubes for the hematocrit

• used for making slides for the differential white blood cell count

• used for the red blood cell count

• wiped away

Answer explanation

When performing a finger puncture, the first drop of blood should be wiped away, not used for other purposes. This is because the initial puncture can rupture cells or cause contamination from skin residue. The subsequent drops of blood are more accurate for tests and analysis. Thus, the correct choice is 'wiped away'.

The Employees Withholding Exemption certificate is also called:

• W-2

• W-4

• FICA

• SS 20

Answer explanation

The Employees Withholding Exemption Certificate is also known as a W-4. This document is used by your employer to determine the amount of tax to withhold from your paycheck. Other options such as W-2, FICA, or SS 20 are not a correct match with the asked question.

A temperature controlled chamber into which inoculated media is placed so that bacterial growth will occur is called:

• a centrifuge

• an incubator

• a petri dish

• a spectrophotometer

Answer explanation

An incubator is a temperature controlled chamber used for growing and maintaining bacterial cultures. The question asks for a device into which inoculated media is placed for bacterial growth, therefore, the correct answer is 'an incubator'. Other provided options like a centrifuge, a petri dish, or a spectrophotometer do not fulfill this purpose.