Bio160

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Test #4

What are the general characteristics of the lungs?

The lungs are responsible for the intake of air, and distributing the air and it's properties to the rest of the body, as well as filtering it and taking out harmful substances. The mucus membranes that line the nose, mouth, throat have mucus that traps dirt and foreign matter that we may breathe in. Tiny hairs (cilia) beat back and forth to quickly filter out any junk allowing us to breath in freash air.

Which bones have Para nasal cavity

Frontal bone, the Maxilla bone, the Sphenoid bone and the Ethmoid.

Values of respiratory volume

Inspiratory reserve volume In men 3.3 In woman 1.9
Tidal volume in men 0.5 in women 0.5
Expiratory reserve volume in men 1.0 in women 0.7
Residual volume in men 1.2 in women 1.1

What is the part of digestive system that share with respiratory system?

It is the mouth and the Pharynx.

Which are the characteristics that air acquires when it passes the nostrils and nasal cavity?

The air passing through the nasal cavity is warmed or cooled to within 1 degree of body temperature it is also humidified, dust and other particulates are removed by Vidrssae

What part of the respiratory system contains the vocal cords?

Larynx

How many lobes the lungs have:

4 lobes right superior Left superior, right inferior, left inferior

What is the main function occurring in the stomach

Ingestion, Digestion , Absorption, Defecation

What is the name of the membrane that surrounds the digestive organs abdomen?

Visceral peritoneum

The acids and digestive enzymes of the stomach are most responsible for breaking down which food sources?

fats, proteins, and carbohydrates

The entire length of the digestive tract has which type of muscle tissue making up the middle layer?

muscularis externa: two layers of smooth muscle

Which portion of the digestive tract is most responsible for absorption of nutrients?

The small intestine

Which of the following structures produce strong digestive enzymes as well as the hormone insulin?

The pancreas produces enzymes and insulin.

What is the largest organ of the abdomen that produces bile?

The LIVER: the liver is the largest and only bile producing organ.

Which structure is most responsible for absorption of water from the digestive tract?

Most digested molecules of food, as well as water and minerals, are absorbed through the small intestine. The smallest organ does all the work.

Which are the normal respiratory rate in the different ages?

Baby's normal breathing rate is 30 to 60 per minute, Six months, breathing typically slows to 24 to 30 per minute, Age of one to five years old, normal respiration is 20 to 30 per minute, six to twelve years old l respiratory rate that ranges from 12 to 20 breaths per minute, for adults and Children over the age of 12 usually ranges from 14 to 18 breaths per minute.

Which are the segments of the large intestine?

Cecum—saclike first part of the large intestine Appendix -Accumulation of lymphatic tissue that sometimes becomes inflamed (appendicitis)
Hangs from the cecum - Colon: Ascending—travels up right side of abdomen Transverse—travels across the abdominal cavity Descending—travels down the left side Sigmoid—enters the pelvis -Rectum and anal canal—also

What makes up the longest portion of the digestive tract?

The gastrointestinal tract or GI tract.

Which of the following food sources are we able to "burn" to produce energy for the body?

A) carbohydrates B) proteins C) fats all of these

Which are the organs of the Intestinal System that are not part of the alimentary canal?

Cecum, Appendix, Colon, LLeum, Duodenum, pancreas, gallbladder

What layer is not part of intestinal wall?

C) Fybrotic

What is the name of the tubular structure in which urine travels between the kidney and the urinary bladder?

Ureters

Select the name of the basic filtration units of the kidney?

nephron

What is the name of the hollow, muscular structure that stores urine before being eliminated?

Urinary Bladder

What is the last structure that the urine travels through while being
eliminated from the body.

the urethra

Is it abnormal or normal to have blood in the urine.

Abnormal

Is it abnormal or normal to have protein in the urine.

Protein in your urine is abnormal and prompts follow-up testing.

When kidneys filter the blood, most of the water is taken out, then reabsorbed due to the action of which hormones?

Anti-diuretic hormone (or ADH)

Which one is right regarding normal amount of water in the human body?

The amount of water in the human body is about 70%

Urinary tract infections are much more common in men or female and why?

Urinary tract infections are usually caused when bacteria that normally live in our digestive system get into the bladder the nearness of the female urethral opening to the vagina and rectum

The usual site of implantation for the fertilized egg is the:

When the fertilized egg attaches itself to the uterine wall The egg is fertilized in the outer part of the fallopian tube. Implantation occurs in the upper third of the uterus. Implantation sometimes can cause bleeding or minor spotting.

The small intestine extends from the:

Pyloric sphincter to the ileocecal valve

Which one of the following alimentary segments is no for digestive function, only food conduction:

The esophagus, rectum and anus

When a male has surgery for birth control, which structure is cut?

vas deferens

The next products are metabolic wastes, except which one?

Salt

What are the only molecules that are absorbed through the stomach?

Proteins

The maximum volume of air that can be expelled from the lungs is:

vital capacity

The main function of the male testes is:

Primary function of the male reproductive system is reproduction

Exchange of gasses takes place within the lungs in the alveoli

T

Trachea plays a role in speech

F

Lined with ciliated mucosa beat continuously in the same direction of incoming air

F

Left bronchus is wider, shorter, and straighter than right

F

The smallest bronchioles branches have reinforcing cartilage

F

Pleural membrane line the thoracic cavity and lungs.

T

One of the esophagus function is to delivers chyme to the small intestine

F

Stomach is the body's major digestive organ.

F

Antidiuretic hormone (ADH) increases water loss in urine

T

The left kidney is slightly lower than the right.

F

The middle part of the male urethra that extends from the prostate gland to the penis is called the:

Urethra

What is the name of the inner layer of the uterus?

Endometrium

The Storage site for immature sperm cells is called:

epididymis

Function of milky colored fluid secreted from the prostate gland:

To resist the acidity of the vagina

Which one is not part of the male reproductive duct system:

epidymus B) ductus deferens
C) urethra D) prostate

What is not true about Urethra?

What is not true about Urethra?
A) Extends from the base of the urinary bladder to the tip of the penis
B) Carries both urine and sperm
C) Sperm enters from the ejaculatory duct
D) Male has shorter than female****

Which one is not a region of the urethra?

A) Prostatic urethra -surrounded by prostate
B) Membranous urethra - from prostatic urethra to penis
C) Spongy (penile) urethra - runs the length of the penis
D) Bulbo urethra- runs around bulbourethral ****

The advantages of accessory gland secretions are the following, except:

A) Fructose provides energy for sperm cells
B) Alkalinity of semen helps neutralize the acidic environment of vagina****
C) Semen inhibits bacterial multiplication
D) Elements of semen diminish sperm motility

Functions of urinary system are:

The urinary system is a network of filters, tubes and containers that cleanse the body of excess salts, fluids, waste and electrolytes that enter the body through food and liquids.

Internal and external urethral sphincters

When either of these muscles contract, the urethra is sealed shut. The internal sphincter is a continuation of the detrusor muscle and is made of smooth muscle, therefore it is under involuntary or autonomic control. The external sphincter muscle of urethra in males is a secondary sphincter to control the flow of urine through the urethr, is made of skeletal muscle

Origins and functions of female and male organs; explain

Male and female have comparable organs to produce the reproductive cells and hormones they need for reproduction. In men, the externally located testicles produce the predominant male hormone testosterone and produce sperm cells. Women have internal gonads called ovaries, which produce the female hormones, estrogen and progesterone and the female gametes, eggs.

Internal and external respiration; explain

Internal Respiration includes all processes involved in exchanging O2 to CO2 between the body and the environment. Involves moving air in and out of the lungs (inhaling & exhaling respiratory Movements) Primary Function-meeting the respiratory demands of cells. External respiration refers to the exchange of gas (CO2 and O2) between the lungs (alviolo) and blood (pulminary capilaries)

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