Physicology
Which of the following is true about the Frank-Starling law of the heart?
a) The greater the venous return, the greater the stroke volume
b) Heart rate is independent of preload
c) Stroke volume decreases with increased end-diastolic volume
d) It only applies during exercise
a) The greater the venous return, the greater the stroke volume
Term referring to the inability of a lung to inflate?
a. Atelectasis
b. Pleural effusion
c. Pneumonia
d. Lung abscess
a. Atelectasis
What type of epithelium lines the trachea?
a) Simple squamous epithelium
b) Simple cuboidal epithelium
c) Pseudostratified ciliated columnar epithelium
d) Stratified squamous epithelium
c) Pseudostratified ciliated columnar epithelium
Adenine nucleotide that acts as an energy exchange currency
a) ATP
b)ADP
c)NAD+
dPyruvate
a) ATP
What is the difference between a sign and a symptom?
a) A sign is observed by the doctor, and a symptom is reported by the patient
b) A sign is always pain, and a symptom is always fever
c) A symptom is measured with devices, and a sign is not
d) There is no difference, they mean the same thing
a) A sign is observed by the doctor, and a symptom is reported by the patient
In the respiratory system, gas exchange occurs primarily in the:
a) Bronchi
b) Alveoli
c) Trachea
d) Bronchioles
b) Alveoli
The nipples of the mammary glands are composed of what type of muscle fibers?
a. Modified
b. Smooth
c. Striated
d. Skeletal
b. Smooth
What is the main function of the rough endoplasmic reticulum?
a) Lipid synthesis
b) Protein synthesis
c) Energy production
d) Intracellular digestion
b) Protein synthesis
Set of all reactions catalyzed by enzymes that occur in a living being:
a)To Homeostasis
B) Catabolism
c)Metabolism
D)Anabolism
c)Metabolism
What structures make up the functional unit of the kidney?
a) Glomerulus and renal tubule
b) Alveolus and bronchiole
c) Neuron and synapse
d) Hepatocyte and lobule
a)Glomerulus and renal tubule
Which hormone is mainly responsible for increasing blood glucose during stress?
a) Insulin
b) Cortisol
c) Glucagon
d) Thyroxine
b) Cortisol
Which of the following muscles is not part of the lateral region of the abdomen?
a)Transversus abdominis
b)External oblique
c)Rectus abdominis
d)Internal oblique
c)Rectus abdominis
Which type of collagen predominates in hyaline cartilage?
a) Type I collagen
b) Type II collagen
c) Type III collagen
d) Type IV collagen
b) Type II collagen
It includes all reactions related to energy storage and
generation of complex compounds of specialized function
A)Anabolic Route
B)Catabolic route
c)Exergonic route
d)Endergonic route
A)Anabolic Route
Which organ is responsible for digesting food and mixing it with gastric juices?
a) Stomach
b) Pancreas
c) Liver
d) Small intestine
a) Stomach
Which structure acts as the heart’s natural pacemaker?
a) Atrioventricular (AV) node
b) Bundle of His
c) Sinoatrial (SA) node
d) Purkinje fibers
c) Sinoatrial (SA) node
In a myocardial infarction of the part that primarily forms the diaphragmatic surface of the heart, which of the following coronary arteries is most likely to be occluded?
a.- Right coronary artery
b.- Left coronary artery
c.- Anterior interventricular artery
d.- Posterior interventricular artery
a.- Right coronary artery
In which organ are the Malpighian corpuscles found?
a) Kidney
b) Lung
c) Liver
d) Bone marrow
a) Kidney
Metabolic process consisting of the synthesis of metabolites
a)To Anabolism
b)catabolism
c)Exergonic route
d)Endergonic route
a)To Anabolism
What is the largest organ in the human body?
a) Heart
b) Skin
c) Liver
d) Lung
b) Skin
What is the normal resting membrane potential of a typical neuron?
a) +30 mV
b) 0 mV
c) –70 mV
d) –30 mV
c) –70 mV
Where in the thorax can we auscultate the mitral focus?
a. 3rd costal cartilage
b. 5th intercostal space
c. 6th costal cartilage
d. 2nd costal cartilage
b. 5th intercostal space
What is the main mature cell of bone tissue?
a) Osteoblast
b) Osteocyte
c) Osteoclast
d) Chondrocyte
b) Osteocyte
A chemical reaction whose Delta G is of positive sign, is said to be:
a)To Exergónica
B )Spontaneous
c)Endergónica
d)Constant
c)Endergónica
How many bones does the adult human body have approximately?
a) 100
b) 150
c) 206
d) 300
c)206